RYA-377 Interface for topology factory

Project: http://git-wip-us.apache.org/repos/asf/incubator-rya/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-rya/commit/c4966ff6
Tree: http://git-wip-us.apache.org/repos/asf/incubator-rya/tree/c4966ff6
Diff: http://git-wip-us.apache.org/repos/asf/incubator-rya/diff/c4966ff6

Branch: refs/heads/master
Commit: c4966ff6c872d948548a90d66bee86be1727ea11
Parents: 0a2170a
Author: Andrew Smith <smith...@gmail.com>
Authored: Tue Nov 14 15:34:51 2017 -0500
Committer: caleb <caleb.me...@parsons.com>
Committed: Tue Jan 9 15:13:00 2018 -0500

----------------------------------------------------------------------
 .../kafka/topology/TopologyBuilderFactory.java  | 48 ++++++++++++++++++++
 1 file changed, 48 insertions(+)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/incubator-rya/blob/c4966ff6/extras/rya.streams/kafka/src/main/java/org/apache/rya/streams/kafka/topology/TopologyBuilderFactory.java
----------------------------------------------------------------------
diff --git 
a/extras/rya.streams/kafka/src/main/java/org/apache/rya/streams/kafka/topology/TopologyBuilderFactory.java
 
b/extras/rya.streams/kafka/src/main/java/org/apache/rya/streams/kafka/topology/TopologyBuilderFactory.java
new file mode 100644
index 0000000..9e9dd92
--- /dev/null
+++ 
b/extras/rya.streams/kafka/src/main/java/org/apache/rya/streams/kafka/topology/TopologyBuilderFactory.java
@@ -0,0 +1,48 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.rya.streams.kafka.topology;
+
+import org.apache.kafka.streams.processor.TopologyBuilder;
+import org.openrdf.query.MalformedQueryException;
+import org.openrdf.query.algebra.TupleExpr;
+
+import edu.umd.cs.findbugs.annotations.DefaultAnnotation;
+import edu.umd.cs.findbugs.annotations.NonNull;
+
+/**
+ * Factory for building {@link TopologyBuilder}s from a SPARQL query.
+ */
+@DefaultAnnotation(NonNull.class)
+public interface TopologyBuilderFactory {
+
+    /**
+     * Builds a {@link TopologyBuilder} based on the provided sparql query 
where
+     * each {@link TupleExpr} in the parsed query is a processor in the
+     * topology.
+     *
+     * @param sparqlQuery - The SPARQL query to build a topology for. (not 
null)
+     * @param statementTopic - The topic for the source to read from. (not 
null)
+     * @param statementTopic - The topic for the sink to write to. (not null)
+     * @return - The created {@link TopologyBuilder}.
+     * @throws MalformedQueryException - The provided query is not a valid
+     *         SPARQL query.
+     */
+    public TopologyBuilder build(final String sparqlQuery, final String 
statementTopic, final String resultTopic)
+            throws Exception;
+}

Reply via email to